<div class="input-group">
    <div class="input-group-prepend w-25">
        <button class="btn btn-info border-info w-100" type="button">{{title}}</button>
    </div>
    <input type="text" class="form-control border-info" [(ngModel)]="value" [readOnly]="readOnly">
</div>
<span class="badge badge-danger" *ngIf="errMsg !== null">{{errMsg}}</span>
